Which Choice Describes the Scientific Method

Which choice describes the scientific method?

A) A tentative explanation for a relatively small set of observations.
B) A generally accepted principle based on a large set of confirmed observations.
C) The process by which science operates, involving the development of explanations for observations of the universe.
D) Fundamental research that increases our understanding of the world.
E) Gathering knowledge with the goal of creating new products or improving existing ones.